Last week’s answer: 56p. The mean is a type of average where you sum all of the values and divide them by the number of values. In this case, the total is 10p + 20p + 50p + (2 x 100p) = 280p. Divide this by the number of values (5) to get the mean of 56p.
This week’s problem: 1/8th of Henry’s corn crops have died as a result of bugs in his corn field. What is this as a percentage of his total corn crops?
The answer will be in next week’s weekly problem.